Dr. Leonard Klein, MD
- Medicare services, 2023
- 29
- Hospital affiliations
- 1
- Industry payments
- $131
- Medical groups
- 2
- State license
- 1
- Practice address
- 444 N Main St, Akron, OH 44310
- Practice phone
- Call (330) 379-9567
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summa Health System - St Thomas Campus
Akron, Ohio
Find Dr. Klein's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Leonard Klein is an anesthesiologist in Akron, Ohio
Dr. Klein practices at Summa Health System - St Thomas Campus in Akron, Ohio.
Dr. Klein's NPI, 1336178078, was assigned on July 3, 2006. Dr. Klein holds Ohio license 35058675.
- NPI
- 1336178078NPI Registry (opens in a new tab)
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Practice phone
- (330) 379-9567
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Leonard Klein practices at Summa Health System - St Thomas Campus in Akron, Ohio
Dr. Klein's primary practice is Summa Health System - St Thomas Campus, at 444 N Main St, Akron, OH 44310 in Summit County. The practice phone is (330) 379-9567.
- Summa Health System - St Thomas Campus444 N Main St, Akron, OH 44310 · Summit CountyPhone(330) 379-9567
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonard Klein is affiliated with 2 sites of care and 2 medical groups
Dr. Klein's primary practice is Summa Health System - St Thomas Campus in Akron, Ohio. Dr. Klein is also affiliated with Southwest General Health Center. The medical group on file is NorthStar Anesthesia. Dmand AI also links Dr. Klein to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Leonard Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summa Health System - St Thomas Campus | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leonard Klein is one of 1,673 anesthesiologists in Ohio
Anesthesiology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Klein is licensed in Ohio.
Specialties and state licenses
- Anesthesiology, OhioPrimary
Anesthesiologists near Dr. Klein
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Leonard Klein billed Medicare for 29 services in 2023
CMS data shows 29 Medicare services from Dr. Klein across 2 procedure codes in 2023. Medicare paid $1,486 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Klein's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 2342023: 2988%
- Imaging
- 2022: 152023: 0100%
- Surgery
- 2022: 172023: 0100%
Dr. Klein compared with the Ohio median for anesthesiologists, 2023
- Dr. Klein
- Ohio median
- Medicare services
- 29vs 7863% below
Medians across 1,609 anesthesiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Klein's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Klein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klein and other anesthesiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Leonard Klein received $131 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Klein from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $44.
General payments to Dr. Klein by program year, 2016 to 2025
Companies that paid Dr. Klein the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Leonard Klein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Leonard Klein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Leonard Klein's NPI number?
Dr. Leonard Klein's NPI number is 1336178078. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard Klein?
Dr. Leonard Klein is an anesthesiologist in Akron, Ohio. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Leonard Klein practice?
Dr. Klein practices at 444 N Main St, Akron, OH 44310. Dr. Klein's primary practice is Summa Health System - St Thomas Campus in Akron, Ohio. Dmand AI also links Dr. Klein to 1 medical group.
What is Dr. Leonard Klein's office phone number?
The practice phone on file for Dr. Klein is (330) 379-9567.
What is Dr. Leonard Klein's medical license number?
Dr. Klein holds Ohio license 35058675.
Which hospitals is Dr. Leonard Klein affiliated with?
Dr. Klein is affiliated with Southwest General Health Center.
What medical group is Dr. Leonard Klein part of?
Dr. Klein is linked to NorthStar Anesthesia. Dmand AI links Dr. Klein to 1 more medical group.
Does Dr. Leonard Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 29 services in 2023.
What services does Dr. Leonard Klein bill to Medicare?
In 2023, Dr. Klein's most billed Medicare services were anesthesia (00811) and anesthesia (00731).
Has Dr. Leonard Klein received payments from drug or device companies?
CMS Open Payments shows $131 in general payments to Dr. Klein from 6 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Leonard Klein been practicing?
Dr. Klein's NPI was assigned in 2006.
Selling to anesthesiology practices?
See anesthesiologists in Ohio by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card